Day cab truck exterior surface



FIG. 1 is a perspective view of day cab truck exterior surface showing our new design, the broken lines are shown for illustrative purposes only and form no part of the claimed design;

FIG. 2 is a right side view of the truck exterior surface of FIG. 1;

FIG. 3 is a left side view of the truck exterior surface of FIG. 1;

FIG. 4 is a top view of the truck exterior surface of FIG. 1;

FIG. 5 is a bottom view of the truck exterior surface of FIG. 1;

FIG. 6 is a front view of the truck exterior surface of FIG. 1; and,

FIG. 7 is a back view of the truck exterior surface of FIG. 1. 

The ornamental design for a day cab truck exterior surface, as shown and described. 